Nitrogen-Doped TiO_𝟐 Photocatalyst Prepared by Mechanochemical Method: Doping Mechanisms and Visible Photoactivity of Pollutant Degradation

Figure 9

Photocatalytic degradation of (a) p-nitrophenol and (b) methyl orange under ultraviolet using UR400, UR500, UR600, and UR700 as catalysts.

(a)

(b)